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Product Details
Product Introduction
The HM-TZL is a specialized multi-parameter heavy metals analyzer manufactured by HM Instruments, purpose-built for laboratories that require comprehensive monitoring of metallic and metalloid contaminants in water. Unlike general-purpose water quality analyzers that cover broad parameter categories, the HM-TZL focuses exclusively on 25 heavy metal elements — including priority pollutants such as hexavalent chromium, lead, cadmium, mercury, arsenic, copper, zinc, iron, nickel, and manganese — delivering targeted analytical capability for contamination assessment and regulatory compliance.
Designed according to national environmental standards, the analyzer employs established spectrophotometric methods including diphenylcarbazide (Cr⁶⁺), dithizone (Hg), silver diethylthiocarbamate (As), and other standardized colorimetric reactions. These methods are widely recognized by environmental regulatory authorities and align with international testing protocols for heavy metal analysis in water matrices.
The instrument features an Android 7.1.1 operating system with a 10.1-inch HD color LCD touchscreen, providing an intuitive interface for selecting among 25 heavy metal parameters. The precision colorimetric cell design ensures consistent light source alignment for reliable measurement accuracy, while dual colorimetric modes (tubes and cuvettes) accommodate various sample preparation requirements. The bundled 6-hole digestion instrument supports acid digestion protocols necessary for total metal concentration determination.
Applications
- Industrial Wastewater Monitoring: Heavy metals discharge compliance testing for electroplating, mining, and metal finishing facilities
- Drinking Water Quality: Trace-level heavy metals screening for municipal water supply safety verification
- Environmental Site Assessment: Groundwater and surface water contamination surveys near industrial zones and waste disposal sites
- Mining and Metallurgical Operations: Process water and tailing pond effluent monitoring for metal content
- Electronics Manufacturing: Wastewater heavy metals analysis for semiconductor and circuit board production facilities
- Agricultural Water Safety: Irrigation water heavy metals screening to prevent soil accumulation and crop contamination
- Food Safety Testing: Process water and ingredient water heavy metals verification for food production compliance
Features
- 25 heavy metal element detection capability covering priority pollutants and regulated metallic contaminants
- Android 7.1.1 intelligent operating system with 10.1-inch HD color LCD touchscreen
- Precision colorimetric cell with consistent light source ensures accurate spectrophotometric measurements
- Imported ultra-high brightness LED light source with automatic intensity adjustment and calibration
- Dual colorimetric modes: tubes and cuvettes (10mm, 30mm, 50mm) for diverse concentration ranges
- WiFi, RJ45, Bluetooth, and mobile hotspot connectivity for flexible data transmission
- Multi-functional sample management with bilingual Chinese/English naming and 8 million data set storage
- Built-in cloud monitoring platform for regulatory data upload via wired or wireless networks
- Thermal line printer with customizable content including QR traceability codes
- Optional large-capacity rechargeable lithium battery for field deployment at remote sampling sites
- USB 2.0 data export in Excel format for laboratory information system integration
- Firmware upgradeable for new methods and updated detection parameters
Main Parameters
| Heavy Metal | Detection Method | Range |
|---|---|---|
| Hexavalent Chromium | Diphenylcarbazide Spectrophotometry | 0.005–1 mg/L |
| Total Chromium | KMnO₄ Oxidation – Diphenylcarbazide | 0.005–1 mg/L |
| Lead | Spectrophotometry | Refer to reagent kit specifications |
| Cadmium | Spectrophotometry | Refer to reagent kit specifications |
| Mercury / Total Mercury | Dithizone Spectrophotometry | 0.005–0.1 mg/L |
| Arsenic | Silver Diethylthiocarbamate | 0.01–0.5 mg/L |
| Copper / Total Copper | 2,9-Dimethyl-1,10-Phenanthroline | 0.02–5 mg/L |
| Zinc | Zinc Reagent Spectrophotometry | 0.05–3 mg/L |
| Iron / Total Iron | 1,10-Phenanthroline Spectrophotometry | 0.02–5 mg/L |
| Nickel / Total Nickel | Dimethylglyoxime Spectrophotometry | 0.02–5 mg/L |
| Manganese / Total Manganese | Formaldoxime Spectrophotometry | 0.01–5 mg/L |
Technical Parameters
| Parameter | Value |
|---|---|
| Indication Error | ≤ ±5% |
| Instrument Stability | < 0.5% |
| Instrument Repeatability | < 0.5% |
| Photochemical Stability | ≤ 0.002A drift within 20 min (100,000-hour lifespan) |
| Operating System | Android 7.1.1 |
| Display | 10.1-inch HD color LCD touchscreen |
| Interface Language | Chinese / English (factory configurable) |
| Colorimetric Method | Tubes + Cuvettes |
| Network Interface | USB 2.0, WiFi, Bluetooth, Hotspot, RJ45 |
| Communication | USB 2.0 |
| Printer | Thermal line printer |
| Data Export | Excel format |
| Cloud Platform | Built-in regulatory monitoring platform |
| Power Supply | AC 220V (optional lithium battery) |
| Rated Power | 20W |
| Instrument Size | 444 × 303 × 173 mm |
| Instrument Weight | 5.2 kg (excluding adapter/charger and battery) |
| Working Power | AC 220V ±10% / 50Hz |
| Environmental Temperature | 5–40°C |
| Environmental Humidity | < 85% RH (no condensation) |
Expert Review
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